> The Japanese who obediently hated the Americans when it was their duty to do so nevertheless could not help looking at maps that showed where the Americans actually were. Nazis who despised us and everything we stood for nevertheless studied the photographs of our new light bombers. The appeal of credible fact is universal; propaganda does not consist of doctoring the fact with moralistic blather, but of selecting that fact which is correct, interesting, and bad for the enemy to know.
https://www.gutenberg.org/files/48612/48612-h/48612-h.htm#Pa...
(unfortunately he seems to hold the wartime propagandist to higher standards than we currently see in peacetime "journalism"?)
Edit:
> Almost all good propaganda—no matter what kind—is true. It uses truth selectively.